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<div class="titlepage"><div><div><h3 class="title">
<a name="asio.reference.read_until"></a><a class="link" href="read_until.html" title="read_until">read_until</a>
</h3></div></div></div>
<p>
        <a class="indexterm" name="asio.indexterm.read_until"></a> 
The <code class="computeroutput">read_until</code> function is
        a composed operation that reads data into a dynamic buffer sequence, or into
        a streambuf, until it contains a delimiter, matches a regular expression,
        or a function object indicates a match.
      </p>
<p>
        Read data into a dynamic buffer sequence until it contains a specified delimiter.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload1.html" title="read_until (1 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    char delim);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload1.html" title="read_until (1 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload2.html" title="read_until (2 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    char delim,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload2.html" title="read_until (2 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload3.html" title="read_until (3 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    string_view delim);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload3.html" title="read_until (3 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload4.html" title="read_until (4 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    string_view delim,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload4.html" title="read_until (4 of 16 overloads)">more...</a></em></span>
</pre>
<p>
        Read data into a dynamic buffer sequence until some part of the data it contains
        matches a regular expression.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload5.html" title="read_until (5 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    const boost::regex &amp; expr);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload5.html" title="read_until (5 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>&gt;
std::size_t <a class="link" href="read_until/overload6.html" title="read_until (6 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    const boost::regex &amp; expr,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload6.html" title="read_until (6 of 16 overloads)">more...</a></em></span>
</pre>
<p>
        Read data into a dynamic buffer sequence until a function object indicates
        a match.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>,
    typename MatchCondition&gt;
std::size_t <a class="link" href="read_until/overload7.html" title="read_until (7 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    MatchCondition match_condition,
    typename enable_if&lt; is_match_condition&lt; MatchCondition &gt;::value &gt;::type *  = 0);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload7.html" title="read_until (7 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename <a class="link" href="DynamicBuffer.html" title="Dynamic buffer requirements">DynamicBuffer</a>,
    typename MatchCondition&gt;
std::size_t <a class="link" href="read_until/overload8.html" title="read_until (8 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    DynamicBuffer &amp;&amp; buffers,
    MatchCondition match_condition,
    asio::error_code &amp; ec,
    typename enable_if&lt; is_match_condition&lt; MatchCondition &gt;::value &gt;::type *  = 0);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload8.html" title="read_until (8 of 16 overloads)">more...</a></em></span>
</pre>
<p>
        Read data into a streambuf until it contains a specified delimiter.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload9.html" title="read_until (9 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    char delim);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload9.html" title="read_until (9 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload10.html" title="read_until (10 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    char delim,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload10.html" title="read_until (10 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload11.html" title="read_until (11 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    string_view delim);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload11.html" title="read_until (11 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload12.html" title="read_until (12 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    string_view delim,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload12.html" title="read_until (12 of 16 overloads)">more...</a></em></span>
</pre>
<p>
        Read data into a streambuf until some part of the data it contains matches
        a regular expression.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload13.html" title="read_until (13 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    const boost::regex &amp; expr);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload13.html" title="read_until (13 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator&gt;
std::size_t <a class="link" href="read_until/overload14.html" title="read_until (14 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    const boost::regex &amp; expr,
    asio::error_code &amp; ec);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload14.html" title="read_until (14 of 16 overloads)">more...</a></em></span>
</pre>
<p>
        Read data into a streambuf until a function object indicates a match.
      </p>
<pre class="programlisting">template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator,
    typename MatchCondition&gt;
std::size_t <a class="link" href="read_until/overload15.html" title="read_until (15 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    MatchCondition match_condition,
    typename enable_if&lt; is_match_condition&lt; MatchCondition &gt;::value &gt;::type *  = 0);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload15.html" title="read_until (15 of 16 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="SyncReadStream.html" title="Buffer-oriented synchronous read stream requirements">SyncReadStream</a>,
    typename Allocator,
    typename MatchCondition&gt;
std::size_t <a class="link" href="read_until/overload16.html" title="read_until (16 of 16 overloads)">read_until</a>(
    SyncReadStream &amp; s,
    asio::basic_streambuf&lt; Allocator &gt; &amp; b,
    MatchCondition match_condition,
    asio::error_code &amp; ec,
    typename enable_if&lt; is_match_condition&lt; MatchCondition &gt;::value &gt;::type *  = 0);
  <span class="emphasis"><em>&#187; <a class="link" href="read_until/overload16.html" title="read_until (16 of 16 overloads)">more...</a></em></span>
</pre>
<h5>
<a name="asio.reference.read_until.h0"></a>
        <span><a name="asio.reference.read_until.requirements"></a></span><a class="link" href="read_until.html#asio.reference.read_until.requirements">Requirements</a>
      </h5>
<p>
        <span class="emphasis"><em>Header: </em></span><code class="literal">asio/read_until.hpp</code>
      </p>
<p>
        <span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
      </p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2018 Christopher M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
</div></td>
</tr></table>
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